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COMPLETEDNANCT00829218

Clinical Trial Examining Effects of Monosodium Glutamate (MSG) on Irritable Bowel Syndrome (IBS) and Fibromyalgia (FM)

Objective: Randomized, double blind, placebo-controlled, crossover, clinical trial to examine the effects of the food additive glutamate (in the form of MSG) on IBS and fibromyalgia. Setting and Subj...

Lead sponsor: Oregon Health and Science University•1 U.S. locations•View source on ClinicalTrials.gov

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Sponsors

Lead Sponsor

Oregon Health and Science University

Collaborators

University of Arizona

Age

18 - 75 years

Sex

ALL

Healthy Volunteers

No

Inclusion Criteria

•Men and women aged 18-75 who fulfill criteria for Irritable Bowel Syndrome (IBS) and Fibromyalgia (FM)
•They must live in the greater Portland, OR, metro area, have transportation to/from study site, have access to email
•Willing to discontinue medications with bowel altering side effects

Exclusion Criteria

•Asthma
•Inflammatory bowel disease
•Colon cancer or active endometriosis
•Any major abdominal surgery (excluding caesarean section, tubal ligation, hernia repair, gall bladder removal or appendectomy)
•Female and pregnant
•Currently taking pregabalin, gabapentin, or anti-psychotic medications and are unwilling/ unable to discontinue use
•Suffered from alcohol/substance abuse or psychosis in the last two years.

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Data from ClinicalTrials.govLast updated on ClinicalTrials.gov: December 24, 2013Terms

Trial snapshot

StatusCOMPLETED

PhaseNA

Enrollment60

Start dateJan 2009

Last updatedDec 24, 2013

Condition

Irritable Bowel Syndrome Fibromyalgia

Locations shown

Oregon Health & Science University

Portland, Oregon

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Data Source & Attribution

This clinical trial information is sourced from ClinicalTrials.gov, a service of the U.S. National Institutes of Health.

ClinicalTrials.gov last update: December 24, 2013Data synced to Clareo: July 13, 2026

Modifications: This data has been reformatted for display purposes. Eligibility criteria have been parsed into inclusion/exclusion sections. Location data has been geocoded to enable distance-based search. For the authoritative and most current information, please visit ClinicalTrials.gov.

Neither the United States Government nor Clareo Health make any warranties regarding the data. Check ClinicalTrials.gov frequently for updates.

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